# NTSB FTW86LA168: Cessna T210M, N7568M, Mc Alester, OK, September 14, 1986

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: September 14, 1986, 15:20 local (20:20 UTC)
- Place: Mc Alester, OK
- Coordinates: 34.919662, -95.75904 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.9197&lon=-95.7590&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 2 minor, 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 22092
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW86LA168
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/22092/pdf
- Page: https://openairdocs.org/ntsb/FTW86LA168

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power(partial) - mech failure/malf, takeoff - initial climb
  - fuel system - failure,partial (cause)
  - maintenance,annual inspection - not performed, pilot in command (contributing factor)
  - engine instruments,fuel pressure gage - fluctuating (contributing factor)
  - operation with known deficiencies in equipment - disregarded, pilot in command (contributing factor)
  - engine assembly - undetermined (contributing factor)
  - procedures/directives - not followed, pilot in command (contributing factor)
- Forced landing, takeoff - initial climb
  - emergency procedure - initiated, pilot in command (contributing factor)
- In flight collision with terrain/water, landing - flare/touchdown

## Analysis

SIXTY-SIX YEAR OLD COMMERCIAL PILOT TAKING OFF FROM MC ALESTER, OK AIRPORT. PILOT STATED FUEL PRESSURE FLUCTUATED FOLLOWED BY LOSS OF POWER DURING INITIAL CLIMB. PILOT ACTIVATED AUXILIARY FUEL PUMPS AND SWITCHED FUEL TANKS. COULD NOT RESTORE FUEL PRESSURE. PILOT ATTEMPTED FORCED LANDING IN OPEN FIELD. AIRCRAFT SUBSTANTIALLY DAMAGED. FUNCTIONAL CHECK OF FUEL PUMP REVEALED NO DEFICIENCIES. ENGINE WAS RUN DURING INVESTIGATION. NORMAL OPERATION AT 1000 RPM. ENGINE RUN TERMINATED DUE TO FUEL LEAK AT MIXTURE CONTROL SHAFT. AIRCRAFT WAS TWO AND ONE-HALF MONTHS OVERDUE ANNUAL INSPECTION. PILOTS MEDICAL CERTIFICATE EXPIRED. LAST MEDICAL ISSUED ON 11-24-81.

## Aircraft

- Registration: [N7568M](https://openairdocs.org/aircraft/N7568M), registered now, S/N 21062021, built 1977 (OpenAirDocs)
- Reported make and model: CESSNA T210M
- Registry model: [Cessna T210M](https://openairdocs.org/model/cessna-t210m) (registry code 2073451) (OpenAirDocs)
- Registry engine: [Continental TSIO-520 series](https://openairdocs.org/engine/continental-tsio-520-series) (registry code 17040, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 21062021
- Airframe hours: 1768
- Engines: CONTINENTAL TSIO-520-R 310 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Lavoice H. Carroll
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 27, 1986
- Departed: MLC, MC ALESTER, OK
- Destination: DUA, DURANT, OK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 66; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 3, expired; seat: rear; flight hours: 3,000 total, 804 in this make and model, 3,000 as pilot in command, 9 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 300° at 10 knots
- Visibility: 10 statute miles
- Lowest ceiling: 12,000 ft overcast
- Temperature: 72 °F, dew point 64 °F
- Altimeter: 30.00 inHg
- Observed at: MLC, 2 nm away

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19860914045109A](https://openairdocs.org/incident/19860914045109A), Sep 14, 1986: Cessna T210M, Mcalester, OK, Substantial damage. Engine lost power on takeoff and aircraft hit ground. Mixture shaft found leaking. Medical expired. Annual overdue.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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